The mechanics,from the providers' own documentation
Short explainers on how solving works and what the numbers on a price list actually mean. Every claim carries its source and the date we read it.
How a captcha solving API works: task, poll, token
The loop every solver API runs, what the token you get back actually is, and the two limits on it that decide whether your request goes through.
The token budget: why solving time is a cost
reCAPTCHA tokens live two minutes, Turnstile tokens five. Set each vendor's published solving time against that window and the numbers read differently.
Why the exit address decides your captcha rate
Google says it blocks whole networks when it can't tell abusive traffic from the rest. The solver bill is a symptom of that. The address is the cause.
CaptchaSonic's MCP server: captcha solving for AI agents
How an AI agent solves captchas through CaptchaSonic's MCP server: hosted or local, its five tools, the Claude Code plugin, prices and the alternatives.
Run a captcha service?Get it on the record.
Send us the pages that state your prices, speeds and limits. We read them, score them on the public rubric, and publish the review with the date.